X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fworker%2Fabstract-worker.ts;h=b8b442ecd2c0e2521a2c82b899620aa22197fbd7;hb=75d3401a50550a9fc53e2e7d107bc2d776df83e3;hp=8d82ed61d0f239a156ada271b5967ce31317d459;hpb=6677a3d36e9e7241c54db7cd69daa40f52fcbcb3;p=poolifier.git diff --git a/src/worker/abstract-worker.ts b/src/worker/abstract-worker.ts index 8d82ed61..b8b442ec 100644 --- a/src/worker/abstract-worker.ts +++ b/src/worker/abstract-worker.ts @@ -7,7 +7,7 @@ import type { TaskPerformance, WorkerStatistics } from '../utility-types' -import { EMPTY_FUNCTION, isPlainObject } from '../utils' +import { EMPTY_FUNCTION, isAsyncFunction, isPlainObject } from '../utils' import { type KillBehavior, KillBehaviors, @@ -36,6 +36,10 @@ export abstract class AbstractWorker< Data = unknown, Response = unknown > extends AsyncResource { + /** + * Worker id. + */ + protected abstract id: number /** * Task function(s) processed by the worker when the pool's `execution` function is invoked. */ @@ -51,7 +55,7 @@ export abstract class AbstractWorker< /** * Handler id of the `aliveInterval` worker alive check. */ - protected readonly aliveInterval?: NodeJS.Timeout + protected aliveInterval?: NodeJS.Timeout /** * Constructs a new poolifier worker. * @@ -67,7 +71,7 @@ export abstract class AbstractWorker< taskFunctions: | WorkerFunction | TaskFunctions, - protected mainWorker: MainWorker, + protected readonly mainWorker: MainWorker, protected readonly opts: WorkerOptions = { /** * The kill behavior option on this worker or its default value. @@ -84,14 +88,8 @@ export abstract class AbstractWorker< this.checkWorkerOptions(this.opts) this.checkTaskFunctions(taskFunctions) if (!this.isMain) { - this.lastTaskTimestamp = performance.now() - this.aliveInterval = setInterval( - this.checkAlive.bind(this), - (this.opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME) / 2 - ) - this.checkAlive.bind(this)() + this.mainWorker?.on('message', this.messageListener.bind(this)) } - this.mainWorker?.on('message', this.messageListener.bind(this)) } private checkWorkerOptions (opts: WorkerOptions): void { @@ -147,17 +145,20 @@ export abstract class AbstractWorker< * @param message - Message received. */ protected messageListener (message: MessageValue): void { - if (message.id != null && message.data != null) { + if (message.dynamic === true) { + // Worker dynamic message received + this.startCheckAlive() + } else if (message.statistics != null) { + // Statistics message received + this.statistics = message.statistics + } else if (message.id != null && message.data != null) { // Task message received const fn = this.getTaskFunction(message.name) - if (fn?.constructor.name === 'AsyncFunction') { + if (isAsyncFunction(fn)) { this.runInAsyncScope(this.runAsync.bind(this), this, fn, message) } else { this.runInAsyncScope(this.runSync.bind(this), this, fn, message) } - } else if (message.statistics != null) { - // Statistics message received - this.statistics = message.statistics } else if (message.kill != null) { // Kill message received this.aliveInterval != null && clearInterval(this.aliveInterval) @@ -165,6 +166,15 @@ export abstract class AbstractWorker< } } + private startCheckAlive (): void { + this.lastTaskTimestamp = performance.now() + this.aliveInterval = setInterval( + this.checkAlive.bind(this), + (this.opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME) / 2 + ) + this.checkAlive.bind(this)() + } + /** * Returns the main worker. * @@ -202,10 +212,10 @@ export abstract class AbstractWorker< * Handles an error and convert it to a string so it can be sent back to the main worker. * * @param e - The error raised by the worker. - * @returns Message of the error. + * @returns The error message. */ protected handleError (e: Error | string): string { - return e as string + return e instanceof Error ? e.message : e } /** @@ -225,19 +235,23 @@ export abstract class AbstractWorker< this.sendToMainWorker({ data: res, taskPerformance, + workerId: this.id, id: message.id }) } catch (e) { - const err = this.handleError(e as Error) + const errorMessage = this.handleError(e as Error | string) this.sendToMainWorker({ taskError: { - message: err, + workerId: this.id, + message: errorMessage, data: message.data }, id: message.id }) } finally { - !this.isMain && (this.lastTaskTimestamp = performance.now()) + if (!this.isMain && this.aliveInterval != null) { + this.lastTaskTimestamp = performance.now() + } } } @@ -258,22 +272,26 @@ export abstract class AbstractWorker< this.sendToMainWorker({ data: res, taskPerformance, + workerId: this.id, id: message.id }) return null }) .catch(e => { - const err = this.handleError(e as Error) + const errorMessage = this.handleError(e as Error | string) this.sendToMainWorker({ taskError: { - message: err, + workerId: this.id, + message: errorMessage, data: message.data }, id: message.id }) }) .finally(() => { - !this.isMain && (this.lastTaskTimestamp = performance.now()) + if (!this.isMain && this.aliveInterval != null) { + this.lastTaskTimestamp = performance.now() + } }) .catch(EMPTY_FUNCTION) }